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Journal Articles

Integration of Machine Learning and Computational Fluid Dynamics to Develop Turbulence Models for Improved Low-Pressure Turbine Wake Mixing Prediction

Harshal D. Akolekar, Yaomin Zhao, Richard D. Sandberg, Roberto Pacciani

J. Turbomach. December 2021, 143(12): 121001.

Paper No: TURBO-20-1427

DOI: https://doi.org/10.1115/1.4051417

Published Online: June 23, 2021

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Topics: Blades, Computational fluid dynamics, Reynolds-averaged Navier–Stokes equations, Turbines, Wakes, Flow (Dynamics), Turbulence, Pressure, Model development, Machine learning

Journal Articles

Computational and Experimental Study of the Unsteady Convection of Entropy Waves Within a High-Pressure Turbine Stage

Lorenzo Pinelli, Michele Marconcini, Roberto Pacciani, Paolo Gaetani, Giacomo Persico

J. Turbomach. September 2021, 143(9): 091011.

Paper No: TURBO-20-1381

DOI: https://doi.org/10.1115/1.4050600

Published Online: May 12, 2021

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Topics: Blades, Entropy, Flow (Dynamics), Rotors, Stators, Temperature, Turbines, Waves, Fluctuations (Physics), Pressure

Proceedings Papers

Integration of Machine Learning and Computational Fluid Dynamics to Develop Turbulence Models for Improved Turbine Wake Mixing Prediction

Harshal D. Akolekar, Yaomin Zhao, Richard D. Sandberg, Roberto Pacciani

Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A020, September 21–25, 2020

Paper No: GT2020-14732

DOI: https://doi.org/10.1115/GT2020-14732

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Topics: Computational fluid dynamics, Machine learning, Turbines, Turbulence, Wakes, Reynolds-averaged Navier–Stokes equations, Model development, Computer programming, Diffusion (Physics), Modeling

Proceedings Papers

Prediction of Tip Leakage Vortex Dynamics in an Axial Compressor Cascade Using RANS Analyses

Martina Ricci, Roberto Pacciani, Michele Marconcini, Andrea Arnone

Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A021, September 21–25, 2020

Paper No: GT2020-14797

DOI: https://doi.org/10.1115/GT2020-14797

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Topics: Cascades (Fluid dynamics), Compressors, Dynamics (Mechanics), Leakage, Reynolds-averaged Navier–Stokes equations, Vortices, Blades, Design, Flow (Dynamics), Turbulence

Proceedings Papers

Computational and Experimental Study of the Unsteady Convection of Entropy Waves Within a High Pressure Turbine Stage

Lorenzo Pinelli, Michele Marconcini, Roberto Pacciani, Paolo Gaetani, Giacomo Persico

Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A015, September 21–25, 2020

Paper No: GT2020-14725

DOI: https://doi.org/10.1115/GT2020-14725

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Topics: Convection, Entropy, High pressure (Physics), Turbines, Waves, Computational fluid dynamics, Engineering simulation, Simulation, Temperature, Fluctuations (Physics)

Journal Articles

Computational and Experimental Study of Hot Streak Transport Within the First Stage of a Gas Turbine

Paolo Gaetani, Giacomo Persico, Lorenzo Pinelli, Michele Marconcini, Roberto Pacciani

J. Turbomach. August 2020, 142(8): 081002.

Paper No: TURBO-19-1269

DOI: https://doi.org/10.1115/1.4045961

Published Online: July 28, 2020

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Topics: Blades, Flow (Dynamics), Gas turbines, Rotors, Stators, Temperature, Turbines, Pressure, Computational fluid dynamics, Simulation

Journal Articles

Large-Eddy Simulation and RANS Analysis of the End-Wall Flow in a Linear Low-Pressure Turbine Cascade, Part I: Flow and Secondary Vorticity Fields Under Varying Inlet Condition

Richard Pichler, Yaomin Zhao, Richard Sandberg, Vittorio Michelassi, Roberto Pacciani, Michele Marconcini, Andrea Arnone

J. Turbomach. December 2019, 141(12): 121005.

Paper No: TURBO-19-1065

DOI: https://doi.org/10.1115/1.4045080

Published Online: November 8, 2019

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Topics: Boundary layers, Flow (Dynamics), Large eddy simulation, Pressure, Reynolds-averaged Navier–Stokes equations, Blades, Vortices, Turbines, Simulation, Cascades (Fluid dynamics)

Proceedings Papers

CFD-Based Throughflow Analysis of Transonic Flows in Steam Turbines

Martina Ricci, Roberto Pacciani, Michele Marconcini, Paolo Macelloni, Stefano Cecchi, Claudio Bettini

Proc. ASME. GT2019, Volume 2C: Turbomachinery, V02CT41A021, June 17–21, 2019

Paper No: GT2019-90851

DOI: https://doi.org/10.1115/GT2019-90851

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Topics: Computational fluid dynamics, Steam turbines, Transonic flow, Flow (Dynamics), Pressure, Blades, Design, Gas flow, Leakage, Rotors

Proceedings Papers

Computational and Experimental Study of Hot Streak Transport Within the First Stage of a Gas Turbine

Paolo Gaetani, Giacomo Persico, Lorenzo Pinelli, Michele Marconcini, Roberto Pacciani

Proc. ASME. GT2019, Volume 2A: Turbomachinery, V02AT45A022, June 17–21, 2019

Paper No: GT2019-91276

DOI: https://doi.org/10.1115/GT2019-91276

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Topics: Gas turbines, Blades, Computational fluid dynamics, Engineering simulation, Flow (Dynamics), Simulation, Temperature, Rotors, Stators, Turbines

Journal Articles

Computational Fluid Dynamics-Based Throughflow Analysis of Transonic Flows in Steam Turbines

Martina Ricci, Roberto Pacciani, Michele Marconcini, Paolo Macelloni, Stefano Cecchi, Claudio Bettini

J. Turbomach. November 2019, 141(11): 111005.

Paper No: TURBO-19-1161

DOI: https://doi.org/10.1115/1.4044871

Published Online: October 10, 2019

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Topics: Blades, Computational fluid dynamics, Flow (Dynamics), Pressure, Steam turbines, Turbines, Rotors, Design, Supersonic flow

Journal Articles

Large Eddy Simulation and RANS Analysis of the End-Wall Flow in a Linear Low-Pressure-Turbine Cascade—Part II: Loss Generation

Michele Marconcini, Roberto Pacciani, Andrea Arnone, Vittorio Michelassi, Richard Pichler, Yaomin Zhao, Richard Sandberg

J. Turbomach. May 2019, 141(5): 051004.

Paper No: TURBO-18-1214

DOI: https://doi.org/10.1115/1.4042208

Published Online: January 21, 2019

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Topics: Blades, Flow (Dynamics), Large eddy simulation, Pressure, Reynolds-averaged Navier–Stokes equations, Turbines, Turbulence, Cascades (Fluid dynamics), Vortices, Vorticity

Proceedings Papers

LES and RANS Analysis of the End-Wall Flow in a Linear LPT Cascade With Variable Inlet Conditions: Part II — Loss Generation

Michele Marconcini, Roberto Pacciani, Andrea Arnone, Vittorio Michelassi, Richard Pichler, Yaomin Zhao, Richard Sandberg

Proc. ASME. GT2018, Volume 2B: Turbomachinery, V02BT41A024, June 11–15, 2018

Paper No: GT2018-76450

DOI: https://doi.org/10.1115/GT2018-76450

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Topics: Cascades (Fluid dynamics), Flow (Dynamics), Reynolds-averaged Navier–Stokes equations, Boundary layers, Design, Blades, Pressure, Turbines, Vortices, Computational fluid dynamics

Proceedings Papers

Low-Pressure Turbine Cascade Performance Calculations With Incidence Variation and Periodic Unsteady Inflow Conditions

Michele Marconcini, Roberto Pacciani, Andrea Arnone, Francesco Bertini

Proc. ASME. GT2015, Volume 2A: Turbomachinery, V02AT38A006, June 15–19, 2015

Paper No: GT2015-42276

DOI: https://doi.org/10.1115/GT2015-42276

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Topics: Cascades (Fluid dynamics), Inflow, Pressure, Turbines, Boundary-value problems, Design, Flow (Dynamics), Reynolds number, Boundary layers, Computation

Proceedings Papers

Rotor-Stator Interaction Analysis Using the Navier-Stokes Equations and a Multigrid Method

Andrea Arnone, Roberto Pacciani

Proc. ASME. GT1995, Volume 1: Turbomachinery, V001T01A041, June 5–8, 1995

Paper No: 95-GT-177

DOI: https://doi.org/10.1115/95-GT-177

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Topics: Navier-Stokes equations, Rotors, Stators, Blades, Gas turbines, Spacetime, Stability, Steady state

Proceedings Papers

IGV-Rotor Interaction Analysis in a Transonic Compressor Using the Navier-Stokes Equations

Andrea Arnone, Roberto Pacciani

Proc. ASME. GT1996, Volume 1: Turbomachinery, V001T01A046, June 10–13, 1996

Paper No: 96-GT-141

DOI: https://doi.org/10.1115/96-GT-141

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Topics: Compressors, Inlet guide vanes, Navier-Stokes equations, Rotors, Flow (Dynamics)

Proceedings Papers

Numerical Prediction of Trailing Edge Wake Shedding

Andrea Arnone, Roberto Pacciani

Proc. ASME. GT1997, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A020, June 2–5, 1997

Paper No: 97-GT-089

DOI: https://doi.org/10.1115/97-GT-089

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Topics: Algebra, Blades, Navier-Stokes equations, Stators, Turbines, Turbulence, Vortex shedding, Wakes

Proceedings Papers

Numerical Investigation of Airfoil Clocking in a Three-Stage Low Pressure Turbine

Andrea Arnone, Michele Marconcini, Roberto Pacciani, Claudia Schipani, Ennio Spano

Proc. ASME. GT2001, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A008, June 4–7, 2001

Paper No: 2001-GT-0303

DOI: https://doi.org/10.1115/2001-GT-0303

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Topics: Airfoils, Pressure, Turbines, Blades, Reynolds number, Computation, Flow (Dynamics), Turbulence, Wakes

Proceedings Papers

Predicting High-Lift LP Turbine Cascades Flows Using Transition-Sensitive Turbulence Closures

Roberto Pacciani, Michele Marconcini, Andrea Arnone, Francesco Bertini

Proc. ASME. GT2013, Volume 6B: Turbomachinery, V06BT37A039, June 3–7, 2013

Paper No: GT2013-95605

DOI: https://doi.org/10.1115/GT2013-95605

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Topics: Flow (Dynamics), Turbines, Turbulence, Computation, Inflow, Suction, Wakes, Blades, Boundary layers, Boundary-value problems

Journal Articles

Predicting High-Lift Low-Pressure Turbine Cascades Flow Using Transition-Sensitive Turbulence Closures

Roberto Pacciani, Michele Marconcini, Andrea Arnone, Francesco Bertini

J. Turbomach. May 2014, 136(5): 051007.

Paper No: TURBO-13-1098

DOI: https://doi.org/10.1115/1.4025224

Published Online: September 27, 2013

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Topics: Cascades (Fluid dynamics), Flow (Dynamics), Reynolds number, Turbines, Turbulence, Boundary layers, Blades, Pressure, Wakes, Separation (Technology)

Proceedings Papers

URANS Analysis of Wake-Induced Effects in High-Lift, Low Reynolds Number Cascade Flows

Roberto Pacciani, Michele Marconcini, Andrea Arnone, Francesco Bertini

Proc. ASME. GT2012, Volume 8: Turbomachinery, Parts A, B, and C, 1521-1530, June 11–15, 2012

Paper No: GT2012-69479

DOI: https://doi.org/10.1115/GT2012-69479

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Topics: Cascades (Fluid dynamics), Flow (Dynamics), Reynolds number, Wakes, Turbulence, Turbines, Turbomachinery, Aircraft engines, Blades, Boundary layers

Journal citation

NARROW

Integration of Machine Learning and Computational Fluid Dynamics to Develop Turbulence Models for Improved Low-Pressure Turbine Wake Mixing Prediction

Computational and Experimental Study of the Unsteady Convection of Entropy Waves Within a High-Pressure Turbine Stage

Integration of Machine Learning and Computational Fluid Dynamics to Develop Turbulence Models for Improved Turbine Wake Mixing Prediction

Prediction of Tip Leakage Vortex Dynamics in an Axial Compressor Cascade Using RANS Analyses

Computational and Experimental Study of the Unsteady Convection of Entropy Waves Within a High Pressure Turbine Stage

Computational and Experimental Study of Hot Streak Transport Within the First Stage of a Gas Turbine

Large-Eddy Simulation and RANS Analysis of the End-Wall Flow in a Linear Low-Pressure Turbine Cascade, Part I: Flow and Secondary Vorticity Fields Under Varying Inlet Condition

CFD-Based Throughflow Analysis of Transonic Flows in Steam Turbines

Computational and Experimental Study of Hot Streak Transport Within the First Stage of a Gas Turbine

Computational Fluid Dynamics-Based Throughflow Analysis of Transonic Flows in Steam Turbines

Large Eddy Simulation and RANS Analysis of the End-Wall Flow in a Linear Low-Pressure-Turbine Cascade—Part II: Loss Generation

LES and RANS Analysis of the End-Wall Flow in a Linear LPT Cascade With Variable Inlet Conditions: Part II — Loss Generation

Low-Pressure Turbine Cascade Performance Calculations With Incidence Variation and Periodic Unsteady Inflow Conditions

Rotor-Stator Interaction Analysis Using the Navier-Stokes Equations and a Multigrid Method

IGV-Rotor Interaction Analysis in a Transonic Compressor Using the Navier-Stokes Equations

Numerical Prediction of Trailing Edge Wake Shedding

Numerical Investigation of Airfoil Clocking in a Three-Stage Low Pressure Turbine

Predicting High-Lift LP Turbine Cascades Flows Using Transition-Sensitive Turbulence Closures

Predicting High-Lift Low-Pressure Turbine Cascades Flow Using Transition-Sensitive Turbulence Closures

URANS Analysis of Wake-Induced Effects in High-Lift, Low Reynolds Number Cascade Flows

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